<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #image1 {
           cursor: pointer;
        }
    </style>    
</head>
<body>
    <table>
        <tr>
            <td>原始图片</td>
            <td>图片加入黑白效果</td>
        </tr>
        <tr>
            <td id="image1"><img src="img/1.jpg"></td>
            <td><img src="img/1.jpg" style="filter:gray()"></td>
        </tr>
    </table>
</body>
</html>